Home / 626,213.32-938,550.12-288,785.50

Finding the Fourth Proportional to 626,213.32, 938,550.12 and 288,785.50

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Solution

The fourth proportional to 626,213.32, 938,550.12 and 288,785.50 is: 432,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,213.32 : 938,550.12 = 288,785.50 : x
  2. Step 2: Convert to fraction form
    626,213.32/938,550.12 = 288,785.50/x
  3. Step 3: Cross multiply
    626,213.32x = 938,550.12 × 288,785.50
  4. Step 4: Simplify right side
    626,213.32x = 271,039,665,679.26
  5. Step 5: Solve for x
    x = 271,039,665,679.26/626,213.32
  6. Step 6: Final answer
    x = 432,823.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.